Chemical diversity in protoplanetary disks and its impact on the formation history of giant planets
Giant planets can interact with multiple and chemically diverse environments in protoplanetary disks while they form and migrate to their final orbits. The way this interaction affects the accretion of gas and solids shapes the chemical composition of the planets and of their atmospheres. Here we in...
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| Main Authors: | , , , , , , , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
2022 September 20
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| In: |
The astrophysical journal
Year: 2022, Volume: 937, Issue: 1, Pages: 1-22 |
| ISSN: | 1538-4357 |
| DOI: | 10.3847/1538-4357/ac8b11 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.3847/1538-4357/ac8b11 Verlag, lizenzpflichtig, Volltext: https://dx.doi.org/10.3847/1538-4357/ac8b11 
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| Author Notes: | Elenia Pacetti, Diego Turrini, Eugenio Schisano, Sergio Molinari, Sergio Fonte, Romolo Politi, Patrick Hennebelle, Ralf Klessen, Leonardo Testi, and Ugo Lebreuilly |
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| 245 | 1 | 0 | |a Chemical diversity in protoplanetary disks and its impact on the formation history of giant planets |c Elenia Pacetti, Diego Turrini, Eugenio Schisano, Sergio Molinari, Sergio Fonte, Romolo Politi, Patrick Hennebelle, Ralf Klessen, Leonardo Testi, and Ugo Lebreuilly |
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| 520 | |a Giant planets can interact with multiple and chemically diverse environments in protoplanetary disks while they form and migrate to their final orbits. The way this interaction affects the accretion of gas and solids shapes the chemical composition of the planets and of their atmospheres. Here we investigate the effects of different chemical structures of the host protoplanetary disk on the planetary composition. We consider both scenarios of molecular (inheritance from the prestellar cloud) and atomic (complete chemical reset) initial abundances in the disk. We focus on four elemental tracers of different volatility: C, O, N, and S. We explore the entire extension of possible formation regions suggested by observations by coupling the disk chemical scenarios with N-body simulations of forming and migrating giant planets. The planet formation process produces giant planets with chemical compositions significantly deviating from that of the host disk. We find that the C/N, N/O, and S/N ratios follow monotonic trends with the extent of migration. The C/O ratio shows a more complex behavior, dependent on the planet accretion history and on the chemical structure of the formation environment. The comparison between S/N* and C/N* (where * indicates normalization to the stellar value), constrains the relative contribution of gas and solids to the total metallicity. Giant planets whose metallicity is dominated by the contribution of the gas are characterized by N/O* > C/O* > C/N* and allow to constrain the disk chemical scenario. When the planetary metallicity is instead dominated by the contribution of the solids we find that C/N* > C/O* > N/O*. | ||
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| 700 | 1 | |a Schisano, Eugenio |e VerfasserIn |0 (DE-588)1216564485 |0 (DE-627)1727780027 |4 aut | |
| 700 | 1 | |a Molinari, Sergio |e VerfasserIn |4 aut | |
| 700 | 1 | |a Fonte, Sergio |e VerfasserIn |4 aut | |
| 700 | 1 | |a Politi, Romolo |e VerfasserIn |4 aut | |
| 700 | 1 | |a Hennebelle, Patrick |e VerfasserIn |0 (DE-588)1156954622 |0 (DE-627)1020940387 |0 (DE-576)414675312 |4 aut | |
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| 700 | 1 | |a Lebreuilly, Ugo |e VerfasserIn |0 (DE-588)125685977X |0 (DE-627)1801014604 |4 aut | |
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